#684B18
Closest named color: Mud Brown (#60460F). oklch(43.4% 0.077 78), rgb(104, 75, 24).
Aa
White text reads best on this color (8.05:1).
About this color
#684B18 is a dark, moderately saturated brown. In OKLCH its lightness is 43%, its chroma 0.077 and its hue 78°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.022 away. White text reads best on it, at 8.05:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.077) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.60:1 |
| White text | 8.05:1 |
Values
| HEX | #684B18 |
| RGB | rgb(104, 75, 24) |
| HSL | hsl(38, 63%, 25%) |
| OKLCH | oklch(43.4% 0.077 78) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #684B18 | 8.05:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #684B18 | 2.60:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #684B18 text on white | 8.05:1 | AAA | Lc 87.7 | Fine for body text |
| #684B18 text on black | 2.60:1 | Fails | Lc -14.4 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#EFE9E0
oklch(93.6% 0.014 78.3)
-
Step 200
200
#E2D7C7
oklch(88.4% 0.025 77.4)
-
Step 300
300
#D1BEA1
oklch(81% 0.045 78.4)
-
Step 400
400
#BA9B6D
oklch(70.7% 0.072 77)
-
Step 500
500
#A88245
oklch(63% 0.092 77.7)
-
Step 600
600
#936B24
oklch(55.6% 0.1 78)
-
Step 700
700
#7D5916
oklch(49% 0.093 78.1)
-
Step 800
800 (this color)
#684B18
oklch(43.4% 0.077 78)
-
Step 900
900
#533D19
oklch(37.6% 0.06 77.4)
-
Step 950
950
#312410
oklch(27% 0.038 76.8)
#684B18 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #564C11 | 0.034 |
| Deuteranopia (no green cones) | #5D531A | 0.029 |
| Tritanopia (no blue cones) | #724341 | 0.067 |
| Achromatopsia (no color) | #505050 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #684B18
#684B18
oklch(43.4% 0.077 78)
- #35517B
#35517B
oklch(43.3% 0.078 258.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #684B18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.022
- Olive Brown #645403 ΔE 0.033
- Green Brown #544E03 ΔE 0.042
- Milk Chocolate #7F4E1E ΔE 0.046
- Medium Brown #7F5112 ΔE 0.048
- Mud #735C12 ΔE 0.056
- Greeny Brown #696006 ΔE 0.065
- Saddle Brown #8B4513 ΔE 0.067
Use #684B18 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.